Submission #685711

#	Time	Username	Problem	Language	Result	Execution time	Memory
685711		Bliznetc	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define sz size()
#define all(x) x.begin(), x.end()
#define F first
#define S second
#define int long long

typedef pair < int, int > pii;
typedef vector < int >  vi;
typedef vector < vi >  vvi;

std::vector<int> find_subset(int l, int u, std::vector<int> w)
{
    int n = w.size();
    pair<int,int> a[n + 7];
    int sum = 0;
    for (int i = 1; i <= n; i++) {
        a[i] = {w[i - 1], i};
        sum += a[i].F;
    }

    sort (a + 1, a + n + 1);

    if (sum < l) {
        return vector<int> (0);
    }
    int r = u;
    if (a[1].F > u) {
        return vector<int>(0);
    }

    int cur = 0;
    vector<int> result;

    int j = 1;
    int i = 1;
    deque <int> d;
    while (j <= n || i <= n) {
        if (cur < l) {
            cur += a[j].F;
            d.pb(a[j].S);
            j++;
        }
        if (cur > r) {
            cur -= a[i].F;
            d.pop_front();
            i++;
        }
        if (cur >= l && cur <= r) {
            break;
        }
    }

    if (cur >= l && cur <= r) {
        return vector<int> (all(d));
    }
    return vector<int> (0);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccZ9gWLC.o: in function `main':
grader.cpp:(.text.startup+0x18d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status